Emerging Markets have attracted much attention of international investors lately. These countries are characterised on the one hand by strong economic growth and on the other hand with high risks, which is caused by a weak political and legal framework. The governance structures of the corporations reflect these risks. Therefore, analysing the corporate governance structures of corporations in two countries - Russia and Kazakhstan - is the primary goal of this thesis. Switzerland represents a benchmark. The main subject of this dissertation refers to the Internal Auditing function in banking institutions. This function has experienced an evolution in academic research in the last years and has proved itself being one of the key elements of corporate governance. The thesis is based on the empirical research conducted among a wide group of banks. As a result, this dissertation provides a comprehensively conducted research to the subject mentioned above.